#include <ctime> ... std::time_t rawtime; std::tm timeinfo; std::time(&rawtime); localtime_s(&timeinfo,&rawtime); long tmpYYYYMMDD = (1900+timeinfo.tm_year) * 10000 + (timeinfo.tm_mon+1) * 100 + timeinfo.tm_mday; ネタ元 http://stackoverflow.com/q</ctime>…